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By Issy Ronald, CNN
(CNN) — Days after the US and Israel first launched strikes against Iran, the conflict is widening by the hour, drawing in other countries across the region, sparking fears for the global economy and leaving thousands of travelers stranded.
By Monday, retaliatory strikes launched from Iran shattered any sense of security its Gulf neighbors have enjoyed, killing at least 17 people, including three US service members, across the region and in Israel.
Several US military aircraft crashed in Kuwait on Monday, the Gulf country’s defense ministry said, adding that “all crew members survived.” US President Donald Trump said Sunday that his conflict with Iran could last “four weeks or so,” offering the clearest indication yet of how long the administration anticipates the military campaign could continue.
Meanwhile, Israel launched a wave of strikes against Lebanon, responding to a Hezbollah provocation early Monday. The strikes killed at least 31 people, Lebanese authorities said, and opened up another front in the conflict.
Joint US-Israeli strikes have killed at least 555 people in Iran, according to the Iranian Red Crescent, including at least 165 people at a girls’ elementary school, the country’s state media reported.
Those strikes also killed Iran’s Supreme Leader Ayatollah Ali Khamenei, marking a turning point in the nation’s history and leaving Iranians confronting a surreal mixture of relief, disbelief and anxiety.
Here’s what we know so far.
What’s happening now?
As the war expands, still unbounded by the vague objectives the Trump administration has laid out, new fronts are opening up.
Hezbollah fired six projectiles at an Israeli army base south of Haifa “in revenge” for Khamenei’s death in the early hours of Monday morning, prompting a furious wave of strikes from Israel in Beirut and southern Lebanon. That marked one of the most significant engagements between the two groups since a fragile ceasefire went into effect in November 2024, and Israel has not ruled out further action. An Israeli military spokesman said “all operations remain on the table” when asked about the potential for a ground operation.
In Kuwait, meanwhile, the country’s Ministry of Defense said “several United States military aircraft crashed” on Monday, without specifying the cause, and that “all crew members survived.” Videos geolocated by CNN showed a fighter jet crashing and a pilot parachuting to the ground.
CNN teams in the major Gulf cities of Dubai, Abu Dhabi and Doha heard explosions Monday morning and saw what appeared to be missiles being intercepted in the skies above them.
Iran fired a new barrage of missiles toward Israel on Monday, Israel’s military said.
In Iran, multiple rounds of explosions were reported in Tehran, while patients were evacuated from a hospital in the north of the city on Sunday after it was badly damaged, according to Iranian state media.
Why did the US and Israel attack?
Both Trump and Israeli Prime Minister Benjamin Ne